GLAUCOMATOUS RING Meaning and
Definition
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A glaucomatous ring refers to a distinctive pattern or characteristic observed in the eye that is indicative of glaucoma, a progressive eye disease that may lead to vision loss or even blindness. It is named as such due to the appearance of a ring-like configuration that forms around the optic disc, located at the back of the eye where the optic nerve connects to the retina.
This formation occurs due to specific changes in the anatomy and structure of the optic disc caused by increased intraocular pressure. In glaucoma, intraocular pressure becomes elevated, leading to damage of the optic nerve fibers and subsequent vision impairment. The glaucomatous ring is a result of the continuous progression of this damage within the eye.
The appearance of a glaucomatous ring is characterized by a circular region around the optic disc that appears pale or whitish in color. This discoloration arises due to the loss of nerve fibers, resulting in a thinning of the nerve tissue. Additionally, there may be alterations in the shape of the optic disc, such as increased cupping, where the central portion of the disc becomes depressed or excavated.
Identifying a glaucomatous ring is crucial in early detection and diagnosis of glaucoma, as it signifies the presence of optic nerve damage due to increased intraocular pressure. Regular eye examinations and monitoring the progression of the ring pattern can aid in the prompt initiation of treatment, helping to prevent further vision impairment or loss.
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A yellowish white ring, indicating atrophy of the chorioid, surrounding the optic disc in glaucoma.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for GLAUCOMATOUS RING
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Etymology of GLAUCOMATOUS RING
The term "glaucomatous ring" consists of two key components: "glaucomatous" and "ring".
- Glaucomatous: The term "glaucomatous" is derived from the word "glaucoma". Glaucoma is an eye condition that involves damage to the optic nerve, usually caused by increased intraocular pressure. The word "glaucoma" comes from the Greek words "glaukos", meaning "gray" or "greenish-gray", and "ōma", which signifies a mass or condition. Hence, glaucoma refers to a gray or greenish-gray discoloration of the eye.
- Ring: The term "ring" refers to a circular or curved object, often worn as jewelry on a finger.
